/*
 * Copyright 2022-2023 Bytedance Ltd. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.bytedance.bitsail.common.typeinfo;

import com.bytedance.bitsail.common.BitSailException;
import com.bytedance.bitsail.common.model.ColumnInfo;
import com.bytedance.bitsail.common.type.BitSailTypeInfoConverter;

import com.google.common.collect.ImmutableList;
import org.junit.Assert;
import org.junit.Test;

public class TypeInfoUtilsTest {

  @Test
  public void testEmptyColumnInfos() {
    ImmutableList<ColumnInfo> columnInfos = ImmutableList.of();
    BitSailTypeInfoConverter converter = new BitSailTypeInfoConverter();
    RowTypeInfo rowTypeInfo = TypeInfoUtils.getRowTypeInfo(converter, columnInfos);
    Assert.assertEquals(rowTypeInfo.getTypeInfos().length, 0);
    Assert.assertEquals(rowTypeInfo.getFieldNames().length, 0);
  }

  @Test(expected = BitSailException.class)
  public void testNullColumnInfos() {
    BitSailTypeInfoConverter converter = new BitSailTypeInfoConverter();
    TypeInfoUtils.getRowTypeInfo(converter, null);
  }
}